On September 7, 2015, he signed in France at Poitiers which is playing in the second division in 2015–2016 for 32,000 euros in season.[1] In the 11th game, the team won its third consecutive victory by winning against Le Portel ; Dorsey ends the match with 18 points in 7/10 shots including 2/4 at three points, 1 rebound and 4 assists in 29 minutes.[2] The following weekend, Poitiers wins its fourth game in a row by beating Saint-Quentin; Dorsey had his best game with 30 points at 5/7 to 3-points shots, 6 rebounds and 2 assists for 30 devaluation in 36 minutes.[3] He was named MVP of the January 2016 French Pro B championship with averages of 21 points, 4 rebounds and 4.5 assists over 34 minutes in the four league games of the month of January.[4] His team beats Boulogne-sur-Mer and Dorsey was named MVP of the day finishing with 22 points to 7/8 to 5/8 shots including 3-pointers, 5 rebounds, 9 assists, 5 steals in 32 minutes.[5] At the end of the season, the Poitiers club wanted to retain Dorsey but fails and replaces him with Steve McWhorter.[6]
On August 5, 2016, he stays in France and signs at ESSM Le Portel, promoted to first division in 2016–2017.[7] During a pre-season camp, he sprained his ankle.[8] However, he managed to be reinstated for the first game of the season and the reception of Nanterre 92; his team lost 65–84 and Dorsey finished with 16 points (8 of 15 shots), 3 rebounds, 2 assists in 28 minutes. On October 22, 2017, he signed for the club Élan Chalon.[9]